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8252415401 is a prime number
BaseRepresentation
bin1111010111110000…
…11101110110101001
3210022010101010201212
413223320131312221
5113400104243101
63442513522505
7411334242056
oct75370356651
923263333655
108252415401
11355530091a
121723873435
13a16920049
1458401202d
1533475a1bb
hex1ebe1dda9

8252415401 has 2 divisors, whose sum is σ = 8252415402. Its totient is φ = 8252415400.

The previous prime is 8252415389. The next prime is 8252415463. The reversal of 8252415401 is 1045142528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7854213376 + 398202025 = 88624^2 + 19955^2 .

It is a cyclic number.

It is not a de Polignac number, because 8252415401 - 26 = 8252415337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8252415701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126207700 + 4126207701.

It is an arithmetic number, because the mean of its divisors is an integer number (4126207701).

Almost surely, 28252415401 is an apocalyptic number.

It is an amenable number.

8252415401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8252415401 is an equidigital number, since it uses as much as digits as its factorization.

8252415401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 8252415401 is about 90842.8059947512. The cubic root of 8252415401 is about 2020.8171873359.

Adding to 8252415401 its reverse (1045142528), we get a palindrome (9297557929).

The spelling of 8252415401 in words is "eight billion, two hundred fifty-two million, four hundred fifteen thousand, four hundred one".